code: def get_input_dim(self):
      return self._embedding_dim
  
file_path: magnitude/pymagnitude/third_party/allennlp/modules/seq2vec_encoders/cnn_encoder.py
imports: from __future__ import absolute_import
  import torch
  from torch.nn import Conv1d, Linear
  from allennlp.modules.seq2vec_encoders.seq2vec_encoder import Seq2VecEncoder
  from allennlp.nn import Activation
label_desc: Use image node_id 2 for calling the CnnEncoder obj's underlying member method code with example usage: obj.get_input_dim() and returns: self